2062640042 has 16 divisors (see below), whose sum is σ = 3106787400. Its totient is φ = 1027054080.

The previous prime is 2062640033. The next prime is 2062640077. The reversal of 2062640042 is 2400462602.

It can be written as a sum of positive squares in 4 ways, for example, as 1967011201 + 95628841 = 44351^2 + 9779^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2062639993 and 2062640020.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 528434 + ... + 532322.

Almost surely, 2^2062640042 is an apocalyptic number.

2062640042 is a deficient number, since it is larger than the sum of its proper divisors (1044147358).

2062640042 is a wasteful number, since it uses less digits than its factorization.

2062640042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4921.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 2062640042 is about 45416.2970969673. The cubic root of 2062640042 is about 1272.9396516182.

The spelling of 2062640042 in words is "two billion, sixty-two million, six hundred forty thousand, forty-two".